INVESTIGATION OF PERFORMANCES OF SOLVENTS D2EHPA, CYANEX272, AND THEIR MIXTURE SYSTEM IN SEPARATION OF SOME RARE EARTH ELEMENTS FROM A NITRIC ACID SOLUTION

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SEYED ALIZADEH GANJI S.M.; SHAFAIE S.Z.; GOUDARZI N.

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Journal: JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES) Year:2016 | Volume:7 | Issue:2 Page(s): 143-148

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Title

INVESTIGATION OF PERFORMANCES OF SOLVENTS D2EHPA, CYANEX272, AND THEIR MIXTURE SYSTEM IN SEPARATION OF SOME RARE EARTH ELEMENTS FROM A NITRIC ACID SOLUTION

Author(s)

SEYED ALIZADEH GANJI S.M. | SHAFAIE S.Z. | GOUDARZI N. | Issue Writer Certificate

Keywords

RARE EARTH ELEMENTS (REES)Q1

SEPARATION FACTORQ1

D2EHPAQ1

CYANEX272Q1

MIXTURE SYSTEMQ1

Abstract

This work was aimed to evaluate and compare the performances of the solvents D2EHPA (Di- (2-ethylhexyl) phosphoric acid), Cyanex 272 (bis (2, 4, 4-trimethylpentyl) phosphinic acid), and a MIXTURE SYSTEM of D2EHPA and CYANEX272 in the separation of some rare earth elements (REEs) including lanthanum, gadolinium, neodymium, and dyspersym from a nitric acid solution. The results obtained showed that Cyane272 had the lowest SEPARATION FACTOR in the separation of Dy, La, Nd, and Gd from each other. Also it was found that a MIXTURE SYSTEM of D2EHPA and CYANEX272 had the best performance in the separation of the investigated REEs, owing to the higher SEPARATION FACTORs for Dy/Nd and Dy/Gd, as well as the lower extraction efficiencies for Gd (64.54%), La (30.07%), and Nd (26.47) from Dy (99.92). It was also determined that the SEPARATION FACTORs for Dy/Nd and Dy/Gd were 720.05 and 3640.27, respectively, using their MIXTURE SYSTEM.

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APA: Copy

SEYED ALIZADEH GANJI, S.M., SHAFAIE, S.Z., & GOUDARZI, N.. (2016). INVESTIGATION OF PERFORMANCES OF SOLVENTS D2EHPA, CYANEX272, AND THEIR MIXTURE SYSTEM IN SEPARATION OF SOME RARE EARTH ELEMENTS FROM A NITRIC ACID SOLUTION. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), 7(2), 143-148. SID. https://sid.ir/paper/256362/en

Vancouver: Copy

SEYED ALIZADEH GANJI S.M., SHAFAIE S.Z., GOUDARZI N.. INVESTIGATION OF PERFORMANCES OF SOLVENTS D2EHPA, CYANEX272, AND THEIR MIXTURE SYSTEM IN SEPARATION OF SOME RARE EARTH ELEMENTS FROM A NITRIC ACID SOLUTION. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES)[Internet]. 2016;7(2):143-148. Available from: https://sid.ir/paper/256362/en

IEEE: Copy

S.M. SEYED ALIZADEH GANJI, S.Z. SHAFAIE, and N. GOUDARZI, “INVESTIGATION OF PERFORMANCES OF SOLVENTS D2EHPA, CYANEX272, AND THEIR MIXTURE SYSTEM IN SEPARATION OF SOME RARE EARTH ELEMENTS FROM A NITRIC ACID SOLUTION,” JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), vol. 7, no. 2, pp. 143–148, 2016, [Online]. Available: https://sid.ir/paper/256362/en

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